Home / 685,931,232.96-946,581,085.44-403,837,626.24

Finding the Fourth Proportional to 685,931,232.96, 946,581,085.44 and 403,837,626.24

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Solution

The fourth proportional to 685,931,232.96, 946,581,085.44 and 403,837,626.24 is: 557,293,559.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,931,232.96 : 946,581,085.44 = 403,837,626.24 : x
  2. Step 2: Convert to fraction form
    685,931,232.96/946,581,085.44 = 403,837,626.24/x
  3. Step 3: Cross multiply
    685,931,232.96x = 946,581,085.44 × 403,837,626.24
  4. Step 4: Simplify right side
    685,931,232.96x = 382,265,058,587,772,288
  5. Step 5: Solve for x
    x = 382,265,058,587,772,288/685,931,232.96
  6. Step 6: Final answer
    x = 557,293,559.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.